THICK FILM NETWORK RESISTOR
THICK FILM NETWORK RESISTOR
BRIEF INTRODUCTION
Miniature, high density assembly.
Stable electrical capability, high reliability.
Combinations of different ohmic
value are available
R oHS
RoHS compliant
ORDER
A
H
08
4
7
2
/
J
Circuits
Code
A
B
C
D
E
F
G
H
T
Power Rating
Code
No
Mark
H
Power
1/8W
Pins
Resistance
Value Code
(E 24
)
,
Resistance
Value Code
A
E
B
F
C
H
D
T
G
Code of
pin distance
2.54mm
No
mark
Y
1.778mm
04~14
1/4W
Three digits (E-24
series):
The first two digits
are significant fig-
ures and the third
one denotes nu-
mber of zeros.
1
When it is the type of A,
B,C, D or G, there is no
mark.
When it is the type of E,
F,H or T, the expression
is same as Resistance
Value Codel .
Resistance
Tolerance Code
Code
F
G
J
J(
Jumper)
Lead-free Level
No Contained
Lead
mark
P
Termination
Lead-free
Tolerance
1%
2%
5%
50m
Outer coating
CONSTRUCTION AND DIMENSIONS
unit:mm
Code
a
Normal dimension
2.54 (n-1)+2.50max
A B C D
E F G H
Type
T
c
d
e
f
g
p
Type
5.08max
8.50max
Special dimension
1.778 (n-1)+3.20max
A B C D
E F G H
Type
T
Type
5.08max
8.50max
a
Conductor
Ceramic substrate
A 472
/
Resistance/
Protection coating
Lead pin
b
:
Note: The white dot means the first pin.
c
3.00max
0.50 0.1
3.50 0.5
0.25 0.1
2.54 (n-1)
2.54 0.1
0.3
3.00max
0.50 0.1
3.50 0.5
0.30 0.1
1.778 (n-1)
1.778 0.1
0.3
d
1
p
g
n
f
e
A 472J
b
81
EQUIVALENT CIRCUIT
Type
Equivalent Circuit
Type
Equivalent Circuit
R
1
A
1
2
R
2
R
n
B
3
R
1
=R
2
=
=R
n
n+1
1
R
1
R
2
2
3
4
R
n
2n
R
1
=R
2
=
=R
n
R
1
C
1
2
R
2
n
R
n
D
n+1
R
1
1
R
2
2
R
n-1
R
n
n
n+1
_
n
2
+1
R
1
=R
2
=
R
1
=R
2
=
=R
n
=R
n
R
1
E
1
2
3
R
2
4
R
1
R
2
5
n
R
1
R
2
1n
F
R2
1
R1
R2
2
R1
R2
3
n
1
R1
n
R
1
=R
2
R
1
R
2
R
1
=R
2
R
1
R
2
R1
R
1
G
1
2
3
R
1
=R
2
=
=R
n
n+1
n+2
R
2
R
n
H
1
R2
R2
2 3
R1
R2
4 5
R
1
=R
2
R
1
R
2
R1
n n+1
R
2
R
1
T
1
2
R
2
R
1
R
2
R
1
R
1
3
n+1
R
1
=R
2
R
1
R
2
REFERENCE STANDARD
GB/T 15654-1995
GB/T 2828.1-2003
GB/T 2829-2002
82
THICK FILM NETWORK RESISTOR
IEC E-24
IEC E-24 Series Resistance Cross-reference List
E-24
unit:1
1.0
1.1
1.2
1.3
1.5
1.6
1.8
2.0
E-24 Series (
1K
3.3
3.6
3.9
4.3
10
n
10
100
2.2
2.4
2.7
3.0
10K
100K
4.7
5.1
5.6
6.2
1M
6.8
7.5
8.2
9.1
DERATING CURVE
-55
70
Operating
75
50
25
Temperature Range
-55 ~125
Pe r c e n t r a t e d l o a d
100
-75
-50
-25
0
25
50
75
100
125
150
Ambient temperature(
)
70
(
)
For resistors operated in ambient over 70 , rated load (power rating or current rating) shall be
derated in accordance with above figure.
RATINGS
Item
Specification
1/8W
1/4w
Power Rating
Max. Working Voltage
200V
Max. Overload Voltage
280V
Jumper Rated Current
Resistance Temperature
Coefficient
2A
10
1
1%,
0
R 10
2%,
R 1M
,1M
5%,
Jumper
E 24
55
100ppm/
R 10M
250ppm/
50m
Resistance Tolerance
Jumper:
1.0 ~10M
Resistance Range
Operating Temperature Range
~125
Rated Temperature
70
Note: Rated Voltage= Power Rating Resistance Value or Max. Working Voltage, whichever is lower.
83
CHARACTERISTICS
GB/T 15654-1995
Item
Specifications
Test Methods
GB/T 15654-1995
55 ~125
T. C. R
Within the specified T.C.R
No mechanical damage
measure between
2.5
5
55 ~125
(
)
Short Time Overload
R
(2.0%R 0.05
)
Jumper R 50m
2.5 Rated voltage or Max. Overload
Voltage, choose the lower , for 5 seconds
500V DC
Apply 500V DC
500V DC
1min
Coating Insulation Resistane
100M
Min
Coating Insulation Withstand
Voltage
No arc, inflammation and damage
95%
Apply 500V DC 1min
260
260
5
5
2 0.5
2 0.5S
10 1
23 2
1h
2
.
Solderability
95%Cover Min
No mechanical damage
Resistance to Solvent
R
(1.0%R 0.05
)
Dip in isopropyl alcohol solution of 10h
the solution temperature of 23
Jumper R 50m
, No mechanical damage
R
1.0%R+0.05
Jumper R 50m
Pin strength
10mm/s
500g
Speed:10mm/s, pull strength:500g.
0.5kg,
5s
2
90 ,
Force with 0.5kg on the terminal pin,between the
Bending strength
No mechanical damage
resistor and the terminal pin is 90 degree,duration:
5s for 1 cycle
total 2 cycles
No mechanical damage
Resistance to Soldering Heat
R
1.0%R+0.05
Jumper R 50m
270
270
-55
-55
30
30min
~
30
2~3min
5
5
10 1
10s 1s
2~3
5
~125
No mechanical damage
Temperature Cycling
R
1.0%R+0.05
Jumper R 50m
~normal temperature
30min
5cycles
~125
84
THICK FILM NETWORK RESISTOR
GB/T 15654-1995
Item
Specifications
Test Methods
GB/T 15654-1995
No mechanical damage
Steady state humidity
R
3.0%R+0.1
Jumper R 100m
40
40
2
2
90%~95%RH1000
90%~95%RH1000h
70
Load Life(70 )
No mechanical damage
R
3.0%R+0.1
Jumper R 100m
No mechanical damage
2 ,1000
1.5
0.5
70
2 ,1000h,
Rated Voltage or Max. Working
Voltage , whichever is lower.
1.5h on/0.5h off
70
Endurance at upper
temperature
R
3.0%R+0.1
Jumper R 100m
125
125
2
2
1000
1000h
PACKAGING
Packaging style
Label
200pcs
Plactics Bag
Label
(4/5/10) /
(4/5/10)Bags/Box
25
Label
/
25Boxes/Case
Packaging quantity
Box
Bag
Bag
200pcs
4 5
Pins
6~11
Pins
12
14
Pins
Case
10 Bags
5 Bags
4 Bags
25 boxes Max.
85
PCB设计
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